Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -2 |
3 | 7 |
4 | -27 |
5 | 115 |
6 | -510 |
7 | 2343 |
8 | -11029 |
9 | 52896 |
10 | -257457 |
11 | 1268098 |
12 | -6307546 |
13 | 31633044 |
14 | -159757597 |
15 | 811708539 |
16 | -4145882814 |
17 | 21273287952 |
18 | -109603172373 |
19 | 566748274099 |
20 | -2940175511195 |
21 | 15297961574259 |
22 | -79808998488751 |
23 | 417373462315834 |
[1,1,-2,7,-27,115,-510,2343,-11029,52896,-257457, 1268098,-6307546,31633044,-159757597,811708539, -4145882814,21273287952,-109603172373, 566748274099,-2940175511195,15297961574259, -79808998488751,417373462315834] |